1998-11-07  Jay Cox  <jaycox@earthlink.net>

	* libgimp/{gimp.h, gimpchannel.c, gimpdrawable.c, gimplayer.c}:
	export the tattoo functions to the plug-ins

	* libimp/gserialize.c, libimp/gserialize.h: new files for
	serializing structures

	* main.c: test the gserialize functions

	* gimpsignal.h: declare gimp_sigtype_* as extern